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| """ | |
| Jaa.py Plugin Framework | |
| Author: Janvarev Vladislav | |
| Jaa.py - minimalistic one-file plugin framework with no dependencies. | |
| Main functions: | |
| - run all plugins files from "plugins" folder, base on filename | |
| - save each plugin options in "options" folder in JSON text files for further editing | |
| - Plugins | |
| must located in plugins/ folder | |
| must have "start(core)" function, that returns manifest dict | |
| manifest must contain keys "name" and "version" | |
| can contain "default_options" | |
| - if contain - options will be saved in "options" folder and reload instead next time | |
| - if contain - "start_with_options(core,manifest)" function will run with manifest with "options" key | |
| manifest will be processed in "process_plugin_manifest" function if you override it | |
| - Options (for plugins) | |
| are saved under "options" folder in JSON format | |
| created at first run plugin with "default_options" | |
| updated when plugin change "version" | |
| - Example usage: | |
| class VoiceAssCore(JaaCore): # class must override JaaCore | |
| def __init__(self): | |
| JaaCore.__init__(self,__file__) | |
| ... | |
| main = VoiceAssCore() | |
| main.init_plugins(["core"]) # 1 param - first plugins to be initialized | |
| # Good if you need some "core" options/plugin to be loaded before others | |
| # not necessary starts with "plugin_" prefix | |
| also can be run like | |
| main.init_plugins() | |
| - Requirements | |
| Python 3.5+ (due to dict mix in final_options calc), can be relaxed | |
| """ | |
| import os | |
| import traceback | |
| import json | |
| # here we trying to use termcolor to highlight plugin info and errors during load | |
| try: | |
| from termcolor import cprint | |
| except Exception as e: | |
| # not found? making a stub! | |
| def cprint(p,color=None): | |
| if color == None: | |
| print(p) | |
| else: | |
| print(str(color).upper(),p) | |
| version = "2.2.0" | |
| class JaaCore: | |
| verbose = False | |
| def __init__(self,root_file = __file__): | |
| self.jaaPluginPrefix = "plugin_" | |
| self.jaaVersion = version | |
| self.jaaRootFolder = os.path.dirname(root_file) | |
| self.jaaOptionsPath = self.jaaRootFolder+os.path.sep+"plugin_options" | |
| self.jaaShowTracebackOnPluginErrors = False | |
| if self.verbose: | |
| cprint("JAA.PY v{0} class created!".format(version),"blue") | |
| # ------------- plugins ----------------- | |
| def init_plugins(self, list_first_plugins = []): | |
| self.plugin_manifests = {} | |
| # 1. run first plugins first! | |
| for modname in list_first_plugins: | |
| self.init_plugin(modname) | |
| # 2. run all plugins from plugins folder | |
| from os import listdir | |
| from os.path import isfile, join | |
| pluginpath = self.jaaRootFolder+"/plugins" | |
| files = [f for f in listdir(pluginpath) if isfile(join(pluginpath, f))] | |
| for fil in files: | |
| # print fil[:-3] | |
| if fil.startswith(self.jaaPluginPrefix) and fil.endswith(".py"): | |
| modfile = fil[:-3] | |
| self.init_plugin(modfile) | |
| def init_plugin(self,modname): | |
| # import | |
| try: | |
| mod = self.import_plugin("plugins."+modname) | |
| except Exception as e: | |
| self.print_error("JAA PLUGIN ERROR: {0} error on load: {1}".format(modname, str(e))) | |
| return False | |
| # run start function | |
| try: | |
| res = mod.start(self) | |
| except Exception as e: | |
| self.print_error("JAA PLUGIN ERROR: {0} error on start: {1}".format(modname, str(e))) | |
| return False | |
| # if plugin has an options | |
| if "default_options" in res: | |
| try: | |
| # saved options try to read | |
| saved_options = {} | |
| try: | |
| with open(self.jaaOptionsPath+'/'+modname+'.json', 'r', encoding="utf-8") as f: | |
| s = f.read() | |
| saved_options = json.loads(s) | |
| #print("Saved options", saved_options) | |
| except Exception as e: | |
| pass | |
| res["default_options"]["v"] = res["version"] | |
| # only string needs Python 3.5 | |
| final_options = {**res["default_options"], **saved_options} | |
| # if no option found or version is differ from mod version | |
| if len(saved_options) == 0 or saved_options["v"] != res["version"]: | |
| final_options["v"] = res["version"] | |
| self.save_plugin_options(modname,final_options) | |
| res["options"] = final_options | |
| try: | |
| res2 = mod.start_with_options(self,res) | |
| if res2 != None: | |
| res = res2 | |
| except Exception as e: | |
| self.print_error("JAA PLUGIN ERROR: {0} error on start_with_options processing: {1}".format(modname, str(e))) | |
| return False | |
| except Exception as e: | |
| self.print_error("JAA PLUGIN ERROR: {0} error on options processing: {1}".format(modname, str(e))) | |
| return False | |
| # processing plugin manifest | |
| try: | |
| # set up name and version | |
| plugin_name = res["name"] | |
| plugin_version = res["version"] | |
| self.process_plugin_manifest(modname,res) | |
| except Exception as e: | |
| print("JAA PLUGIN ERROR: {0} error on process startup options: {1}".format(modname, str(e))) | |
| return False | |
| self.plugin_manifests[modname] = res | |
| self.on_succ_plugin_start(modname,plugin_name,plugin_version) | |
| return True | |
| def on_succ_plugin_start(self, modname, plugin_name, plugin_version): | |
| if self.verbose: | |
| cprint("JAA PLUGIN: {1} {2} ({0}) started!".format(modname, plugin_name, plugin_version)) | |
| def print_error(self,p): | |
| cprint(p,"red") | |
| if self.jaaShowTracebackOnPluginErrors: | |
| traceback.print_exc() | |
| def import_plugin(self, module_name): | |
| import sys | |
| __import__(module_name) | |
| if module_name in sys.modules: | |
| return sys.modules[module_name] | |
| return None | |
| def save_plugin_options(self,modname,options): | |
| # check folder exists | |
| if not os.path.exists(self.jaaOptionsPath): | |
| os.makedirs(self.jaaOptionsPath) | |
| str_options = json.dumps(options, sort_keys=True, indent=4, ensure_ascii=False) | |
| with open(self.jaaOptionsPath+'/'+modname+'.json', 'w', encoding="utf-8") as f: | |
| f.write(str_options) | |
| f.close() | |
| # process manifest must be overrided in inherit class | |
| def process_plugin_manifest(self,modname,manifest): | |
| print("JAA PLUGIN: {0} manifest dummy procession (override 'process_plugin_manifest' function)".format(modname)) | |
| return | |
| def plugin_manifest(self,pluginname): | |
| if pluginname in self.plugin_manifests: | |
| return self.plugin_manifests[pluginname] | |
| return {} | |
| def plugin_options(self,pluginname): | |
| manifest = self.plugin_manifest(pluginname) | |
| if "options" in manifest: | |
| return manifest["options"] | |
| return None | |
| # ------------ gradio stuff -------------- | |
| def gradio_save(self,pluginname): | |
| print("Saving options for {0}!".format(pluginname)) | |
| self.save_plugin_options(pluginname,self.plugin_options(pluginname)) | |
| def gradio_upd(self, pluginname, option, val): | |
| options = self.plugin_options(pluginname) | |
| # special case | |
| if isinstance(options[option], (list, dict)) and isinstance(val, str): | |
| import json | |
| try: | |
| options[option] = json.loads(val) | |
| except Exception as e: | |
| print(e) | |
| pass | |
| else: | |
| options[option] = val | |
| print(option,val,options) | |
| def gradio_render_settings_interface(self, title:str="Settings manager", required_fields_to_show_plugin:list=["default_options"]): | |
| import gradio as gr | |
| with gr.Blocks() as gr_interface: | |
| gr.Markdown("# {0}".format(title)) | |
| for pluginname in self.plugin_manifests: | |
| manifest = self.plugin_manifests[pluginname] | |
| # calculate if we show plugin | |
| is_show_plugin = False | |
| if len(required_fields_to_show_plugin) == 0: | |
| is_show_plugin = True | |
| else: | |
| for k in required_fields_to_show_plugin: | |
| if manifest.get(k) is not None: | |
| is_show_plugin = True | |
| if is_show_plugin: | |
| with gr.Tab(pluginname): | |
| gr.Markdown("## {0} v{1}".format(manifest["name"],manifest["version"])) | |
| if manifest.get("description") is not None: | |
| gr.Markdown(manifest.get("description")) | |
| if manifest.get("url") is not None: | |
| gr.Markdown("**URL:** [{0}]({0})".format(manifest.get("url"))) | |
| if "options" in manifest: | |
| options = manifest["options"] | |
| if len(options) > 1: # not only v | |
| text_button = gr.Button("Save options".format(pluginname)) | |
| #options_int_list = [] | |
| for option in options: | |
| #gr.Label(label=option) | |
| if option != "v": | |
| val = options[option] | |
| label = option | |
| if manifest.get("options_label") is not None: | |
| if manifest.get("options_label").get(option) is not None: | |
| label = option+": "+manifest.get("options_label").get(option) | |
| if isinstance(val, (bool, )): | |
| gr_elem = gr.Checkbox(value=val,label=label) | |
| elif isinstance(val, (dict,list)): | |
| import json | |
| gr_elem = gr.Textbox(value=json.dumps(val,ensure_ascii=False), label=label) | |
| else: | |
| gr_elem = gr.Textbox(value=val, label=label) | |
| def handler(x,pluginname=pluginname,option=option): | |
| self.gradio_upd(pluginname, option, x) | |
| gr_elem.change(handler, gr_elem, None) | |
| def handler_save(pluginname=pluginname): | |
| self.gradio_save(pluginname) | |
| text_button.click(handler_save,inputs=None,outputs=None) | |
| else: | |
| gr.Markdown("_No options for this plugin_") | |
| return gr_interface | |
| def load_options(options_file=None,py_file=None,default_options={}): | |
| # 1. calculating options filename | |
| if options_file == None: | |
| if py_file == None: | |
| raise Exception('JAA: Options or PY file is not defined, cant calc options filename') | |
| else: | |
| options_file = py_file[:-3]+'.json' | |
| # 2. try to read saved options | |
| saved_options = {} | |
| try: | |
| with open(options_file, 'r', encoding="utf-8") as f: | |
| s = f.read() | |
| saved_options = json.loads(s) | |
| #print("Saved options", saved_options) | |
| except Exception as e: | |
| pass | |
| # 3. calculating final options | |
| # only string needs Python 3.5 | |
| final_options = {**default_options, **saved_options} | |
| # 4. calculating hash from def options to check - is file rewrite needed? | |
| import hashlib | |
| hash = hashlib.md5((json.dumps(default_options, sort_keys=True)).encode('utf-8')).hexdigest() | |
| # 5. if no option file found or hash was from other default options | |
| if len(saved_options) == 0 or not ("hash" in saved_options.keys()) or saved_options["hash"] != hash: | |
| final_options["hash"] = hash | |
| #self.save_plugin_options(modname,final_options) | |
| # saving in file | |
| str_options = json.dumps(final_options, sort_keys=True, indent=4, ensure_ascii=False) | |
| with open(options_file, 'w', encoding="utf-8") as f: | |
| f.write(str_options) | |
| f.close() | |
| return final_options | |
| """ | |
| The MIT License (MIT) | |
| Copyright (c) 2021 Janvarev Vladislav | |
| Permission is hereby granted, free of charge, to any person obtaining a copy | |
| of this software and associated documentation files (the “Software”), to deal | |
| in the Software without restriction, including without limitation the rights to use, | |
| copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, | |
| and to permit persons to whom the Software is furnished to do so, subject to the following conditions: | |
| The above copyright notice and this permission notice shall be included in all copies or | |
| substantial portions of the Software. | |
| THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, | |
| INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR | |
| PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE | |
| FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
| ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
| """ |